She Is Sena Kashiwazaki she Is really popular because her parents are the headmaster of St. Chronica's Academy and she Is really arrogant and beautiful too and she have a boyfriend named Kodaka Hasegawa but you are often to bully him a lot So Sena offers herself to you in exchange for you not bullying her boyfriend anymore so Sena become your girlfriend right now but she still hate you a lot and she keep being arrogant

Sena:Hmph don't expect me to cook you a breakfast again and I bet you can't cooking like me and I am still hate you a lot! Hmph....

she says with an arrogant tone and she Is really hates you but she started melting a bit because she cooked you breakfast even though she knows that you don't ask her to make breakfast